2021 RA10
ephemeris	date	magn	radius	delta (AU)	delta (LD)	delta (km)	ra	dec	elong	phase
Approach	28 Aug 2024	22.9	0.997 AU	0.019 AU	7.24 LD	2,785,286 km	07h29m	+01°34'	45.2°	134.1°
Brightest	5 Sep 2024	20.9	1.008 AU	0.029 AU	11.15 LD	4,288,032 km	04h48m	+33°57'	88.0°	90.4°
Today	24 Jan 2025	27.5	1.468 AU	0.843 AU	327.86 LD	126,051,596 km	03h04m	+25°09'	106.7°	40.0°

Based on its absolute magnitude (Hₒ) of 25.4 and an albedo between 0.25 and 0.05, the estimated diameter of 2021 RA10 is 20 - 50 m.

The interactive orbit chart above shows the near-earth object's path through the solar system and its position at the given date. Green and blue lines are shown perpendicular to the ecliptic plane: Green if the path is above the ecliptic plane, blue if it is below.

(Left-click and drag to rotate the view; right-click and drag to move the view; use scroll wheel to zoom in our out.)

The light curve chart below shows the estimated development of the NEO's magnitude during its approach to earth.

The following all-sky chart shows the path of the NEO in the coming months.

The following chart shows the path of the NEO in the coming days or hours. The field of view is optimized for (~10x50) binoculars and finderscopes. A more printer-friendly version of the same chart can be found below.